人教版初一数学上册400道计算题及练习题(3)

2019-01-27 15:24

Ainy晴

5421(158)(-3(-66)×〔122-(-1〕 4)×(8-3-0.4) (159)3)+(-11)75711(160)25×3(18+34-(-25)×2+25×4 (161)4-6+9)×72

3852(162)1(-24)÷6 3×(214-7)×(-5)×(-16) (163)18÷(-3) (164)32(165)(-57)÷(-3) (166)(-5)÷5 (167)(-42)÷(-6)

(168)(+215)÷(-37)

(171)-36÷(-113)÷(-23)

(173)3÷(-67)×(-79)

(176)(-2467)÷(-6)

Ainy晴

(169)(-139)÷9 (170)0.25÷(-18)

(172)

(-1)÷(-4)÷47 (174)0÷[(-314)×(-7)] (175)-3÷(13-14)

(177) 2÷(5-18)×181 (178)113÷(-3)×(-13)

Ainy晴

3375333(179) -7(3(92-8+4)÷(-4) 8×(-14)÷(-8) (180)4-8)÷(-6) (181)35312 (182) -3.5 ×(16-0.5)×7÷2 (183) -17÷(-16)×18×(-7) 55555112(184)65×(-3-2)÷4 (185)7÷(-25)-7×12-3÷4 393224(186)0.8×11+4.8×(-7)-2.2÷7+0.8×11 (187)2÷(-7)×7÷(-517) 37734(188)(-16?20?5?12)×(-15×4) (189)??18??7?(-2.4)

112111(190)[151-(1÷1+3]÷(-1) (191)5×(-5)÷(-5)×5 245283512121(192) -(1÷(-42) (193) -13×2(-13)-7×0.34 3-21+14-7)3-0.34×7+3×11(194) 8-(-25)÷(-5) (195)(-13)×(-134)×13×(-67) 1112(196)(-47(-16-50+35)÷(-2) 8)-(-52)+(-44)-38 (197)1912(198)(-0.5)-(-314)+6.75-52 (199)178-87.21+4321+5321-12.79 21(200)(-6)×(-4)+(-32)÷(-8)-3 (201)-7-(-12)+|-12|

9581(202)(-9)×(-4)+ (-60)÷12 (203) [(-14)-17+21]÷(-42) 3751(204)-|-3|÷10-(-15)×13 (205)-15×(32-16)÷22 173111(206)(213-32+118)÷(-16)×(-7) (207)-4×(8-23-0.04)

(208)-2×3 ( 209)-2-??1? (210)3-4

22343(211)?1-2×??1? (212)??3?÷??4? (213)?2×??2?

33222(214)?322 +??4? (215) ??2?×??2?×??2? (216)?2×3-??2?3?

334522323(217)??2??2+??2?+2 (218)?2-(?3)×??1?-??1?

23331(219)???12?+??2? (220)0-??3?÷3×??2?

223??2Ainy晴

Ainy晴

(221)?2×(223)??223321212??12?÷??0.8? (222)-3×??3?-??2?÷??2?

3224×(-3?+1) ×0 (224)6+2×??15?

2(225)-10+8÷??2?-4×3 (226)-1-???0.4????2.5??

255(227)??1?-(1-0.5)×

2512333 (228)??2?×??2×???32? 3131281(229)4×??3?+6 (230)??12?×3×??2?×??3?

27

(231) -72+2×??3?2+(-6)÷??123?

(233)???5?2?42???3?2?×(

7?5)×??7?4811

(235)??6?2÷9÷??6?9?2

Ainy晴

(232)??2?4÷(-8)-??132?×(-22) (234)??2?2-2[??12312?-3×4]÷5 236)36×?1122?3?

(Ainy晴

(237)-{??3???3?0.4???1??(?2)?} (238)-1+(1-0.5)××[2×??3?]

34??1??12??2??

(239)-4×??1?7??6?3+???5?3?3????2?3

(241)(-5.3)-(+4.8)+(-3.2)-(-2.5);

(243)-10+8÷(-2)2-3×(-4)-15;

Ainy晴

3(240)-33-?8???2?3?1?+??3?2×??2?3÷

10.25 242)???3??4???????8?21?3?3??

1244)-14-(1-0.5)×3×[2-(-3)2

]

((Ainy晴

. (245)?1

(247)15x?4x?10x (248)?p2?p2?p2

(249)?5an?an?(?7an)?(?3an) (250)x2y?3xy2?2yx2?y2x (251) (253) Ainy晴

71?1?313????????24??5 (246)?99?36

72?24?864??1212ab?0.4ab2?a2b?ab2 (252)3a?{2c?[6a?(c?b)?c?(a?8b?6)]} 42531x?2?3?x; (254)(x+1)-3(x-1)=1-3x; (255)(x-2)-2(4x-1)=3(1-x) 44


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